The most valuable companies in the world are led by Nvidia, Apple and Alphabet, each worth over $4 trillion in mid-2026. Nine of the top ten are technology firms — the only exception is Saudi Aramco. The AI boom has reshaped the entire ranking.
The most valuable companies in the world (2026)
Ranked by market capitalisation across all industries, technology dominates as never before. Nvidia, whose chips power artificial intelligence, is the most valuable company on Earth. Only the oil giant Saudi Aramco breaks the tech grip on the top ten. All values are approximate and change daily; these are mid-2026 figures.
| Rank | Company | Country | Market cap (USD) |
|---|---|---|---|
| 1 | Nvidia | USA | ~$4.7T |
| 2 | Apple | USA | ~$4.5T |
| 3 | Alphabet (Google) | USA | ~$4.35T |
| 4 | Microsoft | USA | ~$2.9T |
| 5 | Amazon | USA | ~$2.6T |
| 6 | TSMC | Taiwan | ~$2.25T |
| 7 | Broadcom | USA | ~$1.71T |
| 8 | Saudi Aramco | Saudi Arabia | ~$1.68T |
| 9 | Meta Platforms | USA | ~$1.48T |
| 10 | Tesla | USA | ~$1.48T |
Market caps as of ~mid-2026, approximate. Source: CompaniesMarketCap. For a tech-only view, see our guide to the biggest tech companies.
The AI boom rewrote the ranking
The pace of change has been extraordinary. Nvidia became the first company ever to close above a $4 trillion valuation in July 2025 (CNBC), then the first to reach $5 trillion that October (Forbes). Together the ten most valuable companies are now worth roughly $28 trillion — larger than the economy of the United States. Outside Aramco, every one of them is a technology or semiconductor business.
Key takeaways
- Nvidia, Apple and Alphabet are the most valuable companies, each above $4 trillion.
- Nine of the top ten are technology firms; only Saudi Aramco is not.
- Nvidia was the first company to reach $4 trillion and then $5 trillion.
- The top ten are together worth roughly $28 trillion.
Frequently asked questions
What is the most valuable company in the world in 2026?
Nvidia, worth about $4.7 trillion in mid-2026, driven by demand for its artificial-intelligence chips. Apple and Alphabet follow, each also above $4 trillion. The rankings change daily with share prices.
Is market capitalisation the same as a company’s value?
Market capitalisation is the total value of a company’s shares — its share price multiplied by the number of shares. It reflects what investors think the company is worth, which can differ from its assets, revenue or profit.
Which is the only non-tech company in the top ten?
Saudi Aramco, the state oil company of Saudi Arabia. Every other company in the top ten is a technology, internet or semiconductor business — a sign of how far the AI boom has reshaped global markets.
Sources
- CompaniesMarketCap, Largest companies by market cap — retrieved 2026-07-05 — companiesmarketcap.com
- CNBC, Nvidia first company above $4 trillion, 2025 — retrieved 2026-07-05 — cnbc.com
- Forbes, Nvidia first company worth $5 trillion, 2025 — retrieved 2026-07-05 — forbes.com
Last updated: July 4, 2026
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